The Comparative Analysis :

Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche Cayman GTS (14 - 16)

€ 72,500
Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..) Mercedes CLS Coupé 400 d
€ 73,800
 Porsche Cayman GTS (14 - 16) Porsche Cayman GTS
€ 72,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Mercedes CLS Coupé 400 d is significantly bigger in every dimension. It's 23 inches longer, 3.5 inches wider and 5.9 inches taller than the Porsche Cayman GTS.
Mercedes CLS Coupé 400 d
Porsche Cayman GTS
56.5
Blueprint Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
74.4
81.5
50.6
Blueprint Porsche Cayman GTS (14 - 16)
70.9
77.9
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
77.9 in
56.5 in
Height
50.6 in
Blueprint Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
115.7
196.4
Blueprint Porsche Cayman GTS (14 - 16)
97.4
173.4
196.4 in
Length
173.4 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 400 d
Porsche Cayman GTS
4266 lb
Curb Weight
3131 lb
5611 lb
Gross Vehicle
Weight
3671 lb
Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
1135 lb
26.61 %
Porsche Cayman GTS (14 - 16)

General

Mercedes CLS Coupé 400 d
Porsche Cayman GTS
C257
Generation
981C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes CLS Coupé 400 d
Porsche Cayman GTS
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
6
2.9 L / 142 cu in
Displacement
3.4 L / 166 cu in
335 hp
at 4400 rpm
Power
335 hp
at 7400 rpm
Mercedes CLS Coupé 400 d
335 hp
335 hp
Porsche Cayman GTS
516 lb‑ft
at 1200 rpm
Max. Torque
280 lb‑ft
at 4750 rpm
Mercedes CLS Coupé 400 d
516 lb‑ft
280 lb‑ft
Porsche Cayman GTS

Performance

Mercedes CLS Coupé 400 d
Porsche Cayman GTS
155 mph
Maximum Speed
177 mph
5 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

226 ft
0.000 sec

Mercedes CLS Coupé 400 d

62 mph 62
mph

223 ft
0.000 sec

Porsche Cayman GTS

▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
9.35 lb/hp
Mercedes CLS Coupé 400 d
12.73 lb/hp
9.35 lb/hp
Porsche Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 400 d
Porsche Cayman GTS
Fuel Economy
40 mpg
combined
26 mpg
Mercedes CLS Coupé 400 d
40 mpg
26 mpg
Porsche Cayman GTS
34 mpg
city
19 mpg
44 mpg
highway
33 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
526 mi
Range
442 mi
Mercedes CLS Coupé 400 d
526 mi
442 mi
Porsche Cayman GTS
Environmental Impact
121.3 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
170.4 kWh
Mercedes CLS Coupé 400 d
121.3 kWh
170.4 kWh
Porsche Cayman GTS
Euro 6d-TEMP
Emission Standard
Euro 6b (NEFZ)
291 g/mi (WLTP)
CO2 Emissions
340 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 400 d
Porsche Cayman GTS
4
Doors
2
5
No. of Seats
2
1345 lb
Maximum Payload
540 lb
14.7 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data